Register
Find the 12th term of the geometric sequence 1, -2, 4,..
80.5k views
1 vote
Find the 12th term of the geometric sequence 1, -2, 4,..

User Edward Ashak
by
3.6k points

1 Answer

5 votes
this means each time we are multiply in by -2
First term = 1
Second term = -2
Third term = 4
Fourth term = -8
Fifth term = 16
Sixth term = -32
Seventh term = 64
Eighth term = -128
Ninth term = 256
Tenth term = - 512
Eleventh term = 1024
Twelfth term = -2048
User Moff Kalast
by
5.2k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.4m questions

5.6m answers

Other Questions

Before beginning voice lessons, Aubrey already knew how to sing 357 pieces, and she expects to learn 2 new pieces during each week of lessons. After 78 weeks of voice lessons, how many pieces will Aubrey
A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
What value of x makes the following true? 2(x + 10) = 4( 2x - 1)
1 divided by 1/5????????
The endpoints of line AB are A(−9,−1) and B(−3,7). Find the coordinates of the midpoint M.
Link Copied!